calibre-ebook.com

HTML metadata

Technology

Server

nginx

Analytics

• Google Tag Manager

Third-party hosts loaded (3)

• a.pub.network×1
• www.googletagmanager.com×1
• www.paypalobjects.com×1

Registration

Registrar

GoDaddy.com, LLC

Created

2009-03-24

Expires

2028-03-24 674 days left

Updated

2026-03-25

Name servers

• ns45.domaincontrol.com
• ns46.domaincontrol.com

DNS records live

NS

• ns45.domaincontrol.com
• ns46.domaincontrol.com

Email authentication no MX

SPF

not published

DMARC

v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net;

policy: quarantine

DKIM

no key found at common selectors

Certificate (current)

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://calibre-ebook.com/

findings

• missing HSTS
• missing Content Security Policy
• missing frame protection
• missing content type protection
• missing Referrer Policy
• missing Permissions Policy

Links to (1)

• patreon.com×4

Linked from (8)

• distrowatch.com×4
• boxgrovepublishing.co.uk×2
• dhammatalks.org×2
• ironfeet.me×2
• bentasker.co.uk×2
• woltman.com×1
• wellappointeddesk.com×1
• axutongxue.com×1